gpu: nvgpu: Avoid NULL dereference of flcn

-issue: flcn pointer in nvgpu_flcn_sw_init()
 will be NULL in default case of switch,
 and that results in NULL pointer
 dereference on flcn->flcn_id.
-Fix: Used flcn_id parameter to print
 falcon id in default case.

Coverity ID: 2514311
Coverity ID: 2514313

Bug 200291879

Change-Id: I7008817c22cdf8d9d9027cc1b724e2424b4a3d8e
Signed-off-by: Mahantesh Kumbar <mkumbar@nvidia.com>
Reviewed-on: http://git-master/r/1491694
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: svccoveritychecker <svccoveritychecker@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-by: Sachin Nikam <snikam@nvidia.com>
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/gpu/nvgpu/common/falcon/falcon.c b/drivers/gpu/nvgpu/common/falcon/falcon.c
index ac1b390f..bcc24355 100644
--- a/drivers/gpu/nvgpu/common/falcon/falcon.c
+++ b/drivers/gpu/nvgpu/common/falcon/falcon.c
@@ -39,7 +39,7 @@ void nvgpu_flcn_sw_init(struct gk20a *g, u32 flcn_id)
                 flcn->flcn_id = flcn_id;
         break;
         default:
-                nvgpu_err(g, "Invalid/Unsupported falcon ID %x", flcn->flcn_id);
+                nvgpu_err(g, "Invalid/Unsupported falcon ID %x", flcn_id);
                 break;
         };